Electric hair trimmer



FIG. 1 is a front elevational view of an electric hair trimmer showingour new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a left side elevational view with the head tilted.

The ornamental design for electric hair trimmer, as shown and described.